Finding the Third Proportional to 245,003.50 and 368,930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,003.50 : 368,930.50 = 368,930.50 : x
2. Step 2: Convert to fraction form
   245,003.50/368,930.50 = 368,930.50/x
3. Step 3: Cross multiply
   245,003.50x = 368,930.50 × 368,930.50
4. Step 4: Simplify right side
   245,003.50x = 136,109,713,830.25
5. Step 5: Solve for x
   x = 136,109,713,830.25/245,003.50
6. Step 6: Final answer
   x = 555,541.92